-82.92% is the change from 972 to 166
Calculation steps:
[( 166 - 972 ) ÷ 972] x 100 = -82.92%
Formula
Percentage change = [(166 - 972) / 972] x 100
Subtract the new number by the original number
166 - 972 = -806
-806 ÷ 972 = -0.8292181069958847
-0.8292181069958847 x 100 = -82.92%